OpenTechnical

OT-2026-000086487

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000086487) never changes.

Identity and time

Publication numberOT-2026-000086487 · never reused
Internal UUID01a0ae9a-2c97-700b-b4d2-5473889764db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086487
StatusPUBLIC

Content hashes

Canonical texte75c6e8bbb0d6b4b80a6bf4899e8ee533a7684f810cae4497a1b4b80439e82ca
Markdown73dcff65dfaff8439fdd8396c6778a83821bdbfb575380724875ddb04f0d5c82
PDF
Publication pagef93589a5fbcd0402e4420939167ee21f3fbaa8fad7abed9abcf39e0160810be8
Manifest4ce3ea909f51e1df87f415ab4ebd61acb501d1320db43d3da2694213d5396611

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureq3pnqwjJ5ciitO1mod2HZVTSs+PI8SlavK07Me6L0Umk5o6Xcxp7Ck0vxo0SPtmQs34JDQDpx5t9OA3rEb5OBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:18.015147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086487
observed f93589a5fbcd0402e4420939167ee21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.996477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086487/manifest.json
observed 4ce3ea909f51e1df87f415ab4ebd61ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.977804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086487/publication.md
observed 73dcff65dfaff8439fdd8396c6778a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.957756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086487/publication.txt
observed e75c6e8bbb0d6b4b80a6bf4899e8ee53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.